P0155 Diagnostic Trouble Code Discussion for April 2013
Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 2002 GMC Sonoma SL 4.3L MIL Lamp on VIN: 1GTCT19W22 P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Generally speaking a heater circuit code does not present too big a problem unless the wires are shorted or broken, but this is not the case here. All purple and purple/white wires intact and not grounding anywhere. So back to my wiring diagrams and I find the... |
April 19, 2013 |
